/**
* dma_fence_get_stub - return a signaled fence
*
- * Return a stub fence which is already signaled.
+ * Return a stub fence which is already signaled. The fence's
+ * timestamp corresponds to the first time after boot this
+ * function is called.
*/
struct dma_fence *dma_fence_get_stub(void)
{
}
EXPORT_SYMBOL(dma_fence_get_stub);
+/**
+ * dma_fence_allocate_private_stub - return a private, signaled fence
+ *
+ * Return a newly allocated and signaled stub fence.
+ */
+struct dma_fence *dma_fence_allocate_private_stub(void)
+{
+ struct dma_fence *fence;
+
+ fence = kzalloc(sizeof(*fence), GFP_KERNEL);
+ if (fence == NULL)
+ return ERR_PTR(-ENOMEM);
+
+ dma_fence_init(fence,
+ &dma_fence_stub_ops,
+ &dma_fence_stub_lock,
+ 0, 0);
+ dma_fence_signal(fence);
+
+ return fence;
+}
+EXPORT_SYMBOL(dma_fence_allocate_private_stub);
+
/**
* dma_fence_context_alloc - allocate an array of fence contexts
* @num: amount of contexts to allocate
#define has_bit(nr, mask) (BIT(nr) & (mask))
#define has_bits(bits, mask) (((bits) & (mask)) == (bits))
-#define dp_for_each_set_bit(bit, mask) \
- for_each_set_bit((bit), ((unsigned long *)&(mask)), sizeof(mask) * 8)
-
#define dp_wait_cond(__cond, __tries, __min_range, __max_range) \
({ \
int num_tries = __tries; \
{
struct komeda_dev *mdev = dev_to_mdev(dev);
- return snprintf(buf, PAGE_SIZE, "0x%08x\n", mdev->chip.core_id);
+ return sysfs_emit(buf, "0x%08x\n", mdev->chip.core_id);
}
static DEVICE_ATTR_RO(core_id);
if (pipe->layers[i]->layer_type == KOMEDA_FMT_RICH_LAYER)
config_id.n_richs++;
}
- return snprintf(buf, PAGE_SIZE, "0x%08x\n", config_id.value);
+ return sysfs_emit(buf, "0x%08x\n", config_id.value);
}
static DEVICE_ATTR_RO(config_id);
{
struct komeda_dev *mdev = dev_to_mdev(dev);
- return snprintf(buf, PAGE_SIZE, "%lu\n", clk_get_rate(mdev->aclk));
+ return sysfs_emit(buf, "%lu\n", clk_get_rate(mdev->aclk));
}
static DEVICE_ATTR_RO(aclk_hz);
{
struct komeda_component *c;
int i;
+ unsigned long avail_comps = pipe->avail_comps;
- dp_for_each_set_bit(i, pipe->avail_comps) {
+ for_each_set_bit(i, &avail_comps, 32) {
c = komeda_pipeline_get_component(pipe, i);
komeda_component_destroy(mdev, c);
}
{
struct komeda_component *c;
int id;
+ unsigned long avail_comps = pipe->avail_comps;
DRM_INFO("Pipeline-%d: n_layers: %d, n_scalers: %d, output: %s.\n",
pipe->id, pipe->n_layers, pipe->n_scalers,
pipe->of_output_links[1] ?
pipe->of_output_links[1]->full_name : "none");
- dp_for_each_set_bit(id, pipe->avail_comps) {
+ for_each_set_bit(id, &avail_comps, 32) {
c = komeda_pipeline_get_component(pipe, id);
komeda_component_dump(c);
struct komeda_pipeline *pipe = c->pipeline;
struct komeda_component *input;
int id;
+ unsigned long supported_inputs = c->supported_inputs;
- dp_for_each_set_bit(id, c->supported_inputs) {
+ for_each_set_bit(id, &supported_inputs, 32) {
input = komeda_pipeline_get_component(pipe, id);
if (!input) {
c->supported_inputs &= ~(BIT(id));
struct komeda_component *c;
struct komeda_layer *layer;
int i, id;
+ unsigned long avail_comps = pipe->avail_comps;
- dp_for_each_set_bit(id, pipe->avail_comps) {
+ for_each_set_bit(id, &avail_comps, 32) {
c = komeda_pipeline_get_component(pipe, id);
komeda_component_verify_inputs(c);
}
{
struct komeda_component *c;
u32 id;
+ unsigned long avail_comps;
seq_printf(sf, "\n======== Pipeline-%d ==========\n", pipe->id);
if (pipe->funcs && pipe->funcs->dump_register)
pipe->funcs->dump_register(pipe, sf);
- dp_for_each_set_bit(id, pipe->avail_comps) {
+ avail_comps = pipe->avail_comps;
+ for_each_set_bit(id, &avail_comps, 32) {
c = komeda_pipeline_get_component(pipe, id);
seq_printf(sf, "\n------%s------\n", c->name);
struct komeda_pipeline_state *old = priv_to_pipe_st(pipe->obj.state);
struct komeda_component_state *c_st;
struct komeda_component *c;
- u32 disabling_comps, id;
+ u32 id;
+ unsigned long disabling_comps;
WARN_ON(!old);
disabling_comps = (~new->active_comps) & old->active_comps;
/* unbound all disabling component */
- dp_for_each_set_bit(id, disabling_comps) {
+ for_each_set_bit(id, &disabling_comps, 32) {
c = komeda_pipeline_get_component(pipe, id);
c_st = komeda_component_get_state_and_set_user(c,
drm_st, NULL, new->crtc);
struct komeda_pipeline_state *old;
struct komeda_component *c;
struct komeda_component_state *c_st;
- u32 id, disabling_comps = 0;
+ u32 id;
+ unsigned long disabling_comps;
old = komeda_pipeline_get_old_state(pipe, old_state);
disabling_comps = old->active_comps &
pipe->standalone_disabled_comps;
- DRM_DEBUG_ATOMIC("PIPE%d: active_comps: 0x%x, disabling_comps: 0x%x.\n",
+ DRM_DEBUG_ATOMIC("PIPE%d: active_comps: 0x%x, disabling_comps: 0x%lx.\n",
pipe->id, old->active_comps, disabling_comps);
- dp_for_each_set_bit(id, disabling_comps) {
+ for_each_set_bit(id, &disabling_comps, 32) {
c = komeda_pipeline_get_component(pipe, id);
c_st = priv_to_comp_st(c->obj.state);
struct komeda_pipeline_state *new = priv_to_pipe_st(pipe->obj.state);
struct komeda_pipeline_state *old;
struct komeda_component *c;
- u32 id, changed_comps = 0;
+ u32 id;
+ unsigned long changed_comps;
old = komeda_pipeline_get_old_state(pipe, old_state);
changed_comps = new->active_comps | old->active_comps;
- DRM_DEBUG_ATOMIC("PIPE%d: active_comps: 0x%x, changed: 0x%x.\n",
+ DRM_DEBUG_ATOMIC("PIPE%d: active_comps: 0x%x, changed: 0x%lx.\n",
pipe->id, new->active_comps, changed_comps);
- dp_for_each_set_bit(id, changed_comps) {
+ for_each_set_bit(id, &changed_comps, 32) {
c = komeda_pipeline_get_component(pipe, id);
if (new->active_comps & BIT(c->id))
depends on OF
help
Driver for display connectors with support for DDC and hot-plug
- detection. Most display controller handle display connectors
+ detection. Most display controllers handle display connectors
internally and don't need this driver, but the DRM subsystem is
moving towards separating connector handling from display controllers
on ARM-based platforms. Saying Y here when this driver is not needed
tristate "TC358762 DSI/DPI bridge"
depends on OF
select DRM_MIPI_DSI
+ select DRM_KMS_HELPER
select DRM_PANEL_BRIDGE
help
Toshiba TC358762 DSI/DPI bridge driver.
#include <linux/device.h>
#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/of_gpio.h>
return 0;
up_req = kzalloc(sizeof(*up_req), GFP_KERNEL);
- if (!up_req) {
- DRM_ERROR("Not enough memory to process MST up req\n");
+ if (!up_req)
return -ENOMEM;
- }
+
INIT_LIST_HEAD(&up_req->next);
drm_dp_sideband_parse_req(&mgr->up_req_recv, &up_req->msg);
void drm_sysfs_lease_event(struct drm_device *dev);
/* drm_gem.c */
-struct drm_gem_object;
int drm_gem_init(struct drm_device *dev);
int drm_gem_handle_create_tail(struct drm_file *file_priv,
struct drm_gem_object *obj,
{
struct drm_display_mode *mode;
+ if (cmd->xres == 0 || cmd->yres == 0)
+ return NULL;
+
if (cmd->cvt)
mode = drm_cvt_mode(dev,
cmd->xres, cmd->yres,
*
* Assign a already signaled stub fence to the sync object.
*/
-static void drm_syncobj_assign_null_handle(struct drm_syncobj *syncobj)
+static int drm_syncobj_assign_null_handle(struct drm_syncobj *syncobj)
{
- struct dma_fence *fence = dma_fence_get_stub();
+ struct dma_fence *fence = dma_fence_allocate_private_stub();
+
+ if (IS_ERR(fence))
+ return PTR_ERR(fence);
drm_syncobj_replace_fence(syncobj, fence);
dma_fence_put(fence);
+ return 0;
}
/* 5s default for wait submission */
int drm_syncobj_create(struct drm_syncobj **out_syncobj, uint32_t flags,
struct dma_fence *fence)
{
+ int ret;
struct drm_syncobj *syncobj;
syncobj = kzalloc(sizeof(struct drm_syncobj), GFP_KERNEL);
INIT_LIST_HEAD(&syncobj->cb_list);
spin_lock_init(&syncobj->lock);
- if (flags & DRM_SYNCOBJ_CREATE_SIGNALED)
- drm_syncobj_assign_null_handle(syncobj);
+ if (flags & DRM_SYNCOBJ_CREATE_SIGNALED) {
+ ret = drm_syncobj_assign_null_handle(syncobj);
+ if (ret < 0) {
+ drm_syncobj_put(syncobj);
+ return ret;
+ }
+ }
if (fence)
drm_syncobj_replace_fence(syncobj, fence);
if (ret < 0)
return ret;
- for (i = 0; i < args->count_handles; i++)
- drm_syncobj_assign_null_handle(syncobjs[i]);
+ for (i = 0; i < args->count_handles; i++) {
+ ret = drm_syncobj_assign_null_handle(syncobjs[i]);
+ if (ret < 0)
+ break;
+ }
drm_syncobj_array_free(syncobjs, args->count_handles);
u64 diff_ns;
u32 cur_vblank, diff = 1;
int count = DRM_TIMESTAMP_MAXRETRIES;
+ u32 max_vblank_count = drm_max_vblank_count(dev, pipe);
if (drm_WARN_ON(dev, pipe >= dev->num_crtcs))
return;
drm_dbg_vbl(dev,
"missed %d vblanks in %lld ns, frame duration=%d ns, hw_diff=%d\n",
diff, diff_ns, framedur_ns, cur_vblank - vblank->last);
- store_vblank(dev, pipe, diff, t_vblank, cur_vblank);
+ vblank->last = (cur_vblank - diff) & max_vblank_count;
}
/**
#include <linux/pm_runtime.h>
static struct mutex power_mutex; /* Serialize power ops */
-static spinlock_t power_ctrl_lock; /* Serialize power claim */
+static DEFINE_SPINLOCK(power_ctrl_lock); /* Serialize power claim */
/**
* gma_power_init - initialise power manager
dev_priv->display_power = true; /* We start active */
dev_priv->display_count = 0; /* Currently no users */
dev_priv->suspended = false; /* And not suspended */
- spin_lock_init(&power_ctrl_lock);
mutex_init(&power_mutex);
if (dev_priv->ops->init_pm)
{
struct td043mtea1_panel *lcd = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%d\n", lcd->vmirror);
+ return sysfs_emit(buf, "%d\n", lcd->vmirror);
}
static ssize_t vmirror_store(struct device *dev, struct device_attribute *attr,
{
struct td043mtea1_panel *lcd = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%d\n", lcd->mode);
+ return sysfs_emit(buf, "%d\n", lcd->mode);
}
static ssize_t mode_store(struct device *dev, struct device_attribute *attr,
dpaux->aux.transfer = tegra_dpaux_transfer;
dpaux->aux.dev = &pdev->dev;
- err = drm_dp_aux_register(&dpaux->aux);
- if (err < 0)
- return err;
+ drm_dp_aux_init(&dpaux->aux);
/*
* Assume that by default the DPAUX/I2C pads will be used for HDMI,
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
- drm_dp_aux_unregister(&dpaux->aux);
-
mutex_lock(&dpaux_lock);
list_del(&dpaux->list);
mutex_unlock(&dpaux_lock);
unsigned long timeout;
int err;
+ err = drm_dp_aux_register(aux);
+ if (err < 0)
+ return err;
+
output->connector.polled = DRM_CONNECTOR_POLL_HPD;
dpaux->output = output;
unsigned long timeout;
int err;
+ drm_dp_aux_unregister(aux);
disable_irq(dpaux->irq);
if (dpaux->output->panel) {
return 0;
if (no_wait_gpu) {
+ ret = dma_fence_is_signaled(fence) ? 0 : -EBUSY;
dma_fence_put(fence);
- return -EBUSY;
+ return ret;
}
dma_resv_add_shared_fence(bo->base.resv, fence);
if (mem->bus.caching == ttm_write_combined)
addr = ioremap_wc(mem->bus.offset, bus_size);
+#ifdef CONFIG_X86
+ else if (mem->bus.caching == ttm_cached)
+ addr = ioremap_cache(mem->bus.offset, bus_size);
+#endif
else
addr = ioremap(mem->bus.offset, bus_size);
if (!addr) {
if (mem->bus.caching == ttm_write_combined)
map->virtual = ioremap_wc(bo->mem.bus.offset + offset,
size);
+#ifdef CONFIG_X86
+ else if (mem->bus.caching == ttm_cached)
+ map->virtual = ioremap_cache(bo->mem.bus.offset + offset,
+ size);
+#endif
else
map->virtual = ioremap(bo->mem.bus.offset + offset,
size);
else if (mem->bus.caching == ttm_write_combined)
vaddr_iomem = ioremap_wc(mem->bus.offset,
bo->base.size);
+#ifdef CONFIG_X86
+ else if (mem->bus.caching == ttm_cached)
+ vaddr_iomem = ioremap_cache(mem->bus.offset,
+ bo->base.size);
+#endif
else
vaddr_iomem = ioremap(mem->bus.offset, bo->base.size);
return ret;
zynqmp_dp_write(dp, ZYNQMP_DP_SCRAMBLING_DISABLE, 1);
- memset(dp->train_set, 0, 4);
+ memset(dp->train_set, 0, sizeof(dp->train_set));
ret = zynqmp_dp_link_train_cr(dp);
if (ret)
return ret;
* @crc_count: counter of captured frame CRCs
* @transfer: transfers a message representing a single AUX transaction
*
- * The .dev field should be set to a pointer to the device that implements
- * the AUX channel.
+ * The @dev field should be set to a pointer to the device that implements the
+ * AUX channel.
*
- * The .name field may be used to specify the name of the I2C adapter. If set to
- * NULL, dev_name() of .dev will be used.
+ * The @name field may be used to specify the name of the I2C adapter. If set to
+ * %NULL, dev_name() of @dev will be used.
*
- * Drivers provide a hardware-specific implementation of how transactions
- * are executed via the .transfer() function. A pointer to a drm_dp_aux_msg
+ * Drivers provide a hardware-specific implementation of how transactions are
+ * executed via the @transfer() function. A pointer to a &drm_dp_aux_msg
* structure describing the transaction is passed into this function. Upon
- * success, the implementation should return the number of payload bytes
- * that were transferred, or a negative error-code on failure. Helpers
- * propagate errors from the .transfer() function, with the exception of
- * the -EBUSY error, which causes a transaction to be retried. On a short,
- * helpers will return -EPROTO to make it simpler to check for failure.
+ * success, the implementation should return the number of payload bytes that
+ * were transferred, or a negative error-code on failure. Helpers propagate
+ * errors from the @transfer() function, with the exception of the %-EBUSY
+ * error, which causes a transaction to be retried. On a short, helpers will
+ * return %-EPROTO to make it simpler to check for failure.
*
* An AUX channel can also be used to transport I2C messages to a sink. A
- * typical application of that is to access an EDID that's present in the
- * sink device. The .transfer() function can also be used to execute such
- * transactions. The drm_dp_aux_register() function registers an I2C
- * adapter that can be passed to drm_probe_ddc(). Upon removal, drivers
- * should call drm_dp_aux_unregister() to remove the I2C adapter.
- * The I2C adapter uses long transfers by default; if a partial response is
- * received, the adapter will drop down to the size given by the partial
- * response for this transaction only.
+ * typical application of that is to access an EDID that's present in the sink
+ * device. The @transfer() function can also be used to execute such
+ * transactions. The drm_dp_aux_register() function registers an I2C adapter
+ * that can be passed to drm_probe_ddc(). Upon removal, drivers should call
+ * drm_dp_aux_unregister() to remove the I2C adapter. The I2C adapter uses long
+ * transfers by default; if a partial response is received, the adapter will
+ * drop down to the size given by the partial response for this transaction
+ * only.
*
- * Note that the aux helper code assumes that the .transfer() function
- * only modifies the reply field of the drm_dp_aux_msg structure. The
- * retry logic and i2c helpers assume this is the case.
+ * Note that the aux helper code assumes that the @transfer() function only
+ * modifies the reply field of the &drm_dp_aux_msg structure. The retry logic
+ * and i2c helpers assume this is the case.
*/
struct drm_dp_aux {
const char *name;
#define DRM_DEBUG_DP(fmt, ...) \
__drm_dbg(DRM_UT_DP, fmt, ## __VA_ARGS__)
-
-#define DRM_DEBUG_KMS_RATELIMITED(fmt, ...) \
-({ \
- static DEFINE_RATELIMIT_STATE(_rs, \
- DEFAULT_RATELIMIT_INTERVAL, \
- DEFAULT_RATELIMIT_BURST); \
- if (__ratelimit(&_rs)) \
- drm_dev_dbg(NULL, DRM_UT_KMS, fmt, ##__VA_ARGS__); \
+#define __DRM_DEFINE_DBG_RATELIMITED(category, drm, fmt, ...) \
+({ \
+ static DEFINE_RATELIMIT_STATE(rs_, DEFAULT_RATELIMIT_INTERVAL, DEFAULT_RATELIMIT_BURST);\
+ const struct drm_device *drm_ = (drm); \
+ \
+ if (drm_debug_enabled(DRM_UT_ ## category) && __ratelimit(&rs_)) \
+ drm_dev_printk(drm_ ? drm_->dev : NULL, KERN_DEBUG, fmt, ## __VA_ARGS__); \
})
+#define drm_dbg_kms_ratelimited(drm, fmt, ...) \
+ __DRM_DEFINE_DBG_RATELIMITED(KMS, drm, fmt, ## __VA_ARGS__)
+
+#define DRM_DEBUG_KMS_RATELIMITED(fmt, ...) drm_dbg_kms_ratelimited(NULL, fmt, ## __VA_ARGS__)
+
/*
* struct drm_device based WARNs
*
* @hang_limit: once the hangs by a job crosses this limit then it is marked
* guilty and it will be considered for scheduling further.
* @score: score to help loadbalancer pick a idle sched
+ * @_score: score used when the driver doesn't provide one
* @ready: marks if the underlying HW is ready to work
* @free_guilty: A hit to time out handler to free the guilty job.
*
}
struct dma_fence *dma_fence_get_stub(void);
+struct dma_fence *dma_fence_allocate_private_stub(void);
u64 dma_fence_context_alloc(unsigned num);
#define DMA_FENCE_TRACE(f, fmt, args...) \
projects / linux-2.6-microblaze.git / commitdiff